short. i think america is safer since 9/11, but we're certainly not safe. we have a long way to go, but i think we've made significant progress. i think that we've shown that al qaeda can land most anywhere. where there's fertile ground, they're going to breed. now, the latest, of course, is yemen, where there certainly is a significant challenge. al qaeda continues to inhibit areas along the afghan/pakistan border which, again, argues for success in afghanistan. but, i think that we have to continue our emphasis and our focus on the fact that this challenge is not going away any time soon. >> senator lieberman, to that point, you're the chairman of the homeland security committee, as calla adapts its tactics, have the united states kept up? are we ahead of them, if you will, not only improving airport security but looking overseas and our intelligence gathering, are we still ahead of the game?